Steps
- 1.
Surströmmingsklämma (Sweden): Fermented herring is layered with thin crispbread, butter, potatoes, and onions to balance intensity
- 2.
Surströmmingstårtan (Northern Sweden): Fermented herring is used as a pungent topping for savory pies, often with sour cream
- 3.
Baltic Herring Soup (Finland): Small amounts of fermented herring add umami depth to fish-based broths
The Science
Primary Reaction
Lactic acid fermentation